1328288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 2935296

約数和(自身を除く): 1607008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 103, 104, 124, 206, 208, 248, 403, 412, 416, 496, 806, 824, 992, 1339, 1612, 1648, 2678, 3193, 3224, 3296, 5356, 6386, 6448, 10712, 12772, 12896, 21424, 25544, 41509, 42848, 51088, 83018, 102176, 166036, 332072, 664144, 1328288]

約数ペア:

[(1, 1328288), (2, 664144), (4, 332072), (8, 166036), (13, 102176), (16, 83018), (26, 51088), (31, 42848), (32, 41509), (52, 25544), (62, 21424), (103, 12896), (104, 12772), (124, 10712), (206, 6448), (208, 6386), (248, 5356), (403, 3296), (412, 3224), (416, 3193), (496, 2678), (806, 1648), (824, 1612), (992, 1339)]